<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/animate.css/4.1.1/animate.compat.css">
</head>
<style>
.marsk{
    background-color: rgba(0,0,0,.6);
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
.modal-wrap{
    border-radius: 10px;
    background-color: #fff;
    width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border: 1px solid #ccc;
}
.marsk .title,.marsk .footer,.marsk .body{
    margin: 20px 0;
}
button{
    outline: none;
    border: 0;
    width: 150px;
    height: 30px;
    background: linear-gradient(90deg,#1596fb,#002dff);
    border-radius: .28571429rem;
    display: block;
    color: #fff;
    cursor: pointer;
}
</style>
<body>
    <div id="app">
        <button @click="showModal=true">打开提示弹框</button>
        <modal :visible="showModal" @on-confirm="confirm"></modal>
    </div>
</body>
<template id="modal">
    <div class="marsk" v-if="visible" key="div">
        <div class="modal-wrap">
            <div class="title">提示</div>
            <div class="body">提示内容</div>
            <div class="footer">
                <button @click="confirm">确定</button>
            </div>
        </div>
    </div>
</template>
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
<script>
    //1.组件的封装
    //2.组件的通信
    //3.布局
    //4.控制元素的显示和隐藏
    Vue.component("modal",{
        template:"#modal",
        props:{
            visible:{
                type:Boolean,
                default(){
                    return false
                }
            }
        },
        methods:{
            confirm(){
                this.$emit("on-confirm")
            }
        }
    })
    let vm = new Vue({
        el:"#app",
        data:{
            showModal:false
        },
        methods: {
            confirm(){
                this.showModal = false
            }
        }
    })
</script>

</html>